1 1/4" Aircraft Counterbore, Carbide Tipped, (Reduced Shank Counterbore), 3/8" Shank Diameter, 3 Flutes, 2 3/4" OAL, (1.25" Diameter, 1-1/4), 52240, USA Made
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$181.80
Product price and availability are accurate as of June 22, 2026 at 1:47pm and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
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Features
For counterboring and spotfacing in applications where machine requires a smaller shank 1/64" Corner Radius, Tool Diameter Tolerance: +.001"/-0". Shank Diameter Tolerance: +0"/-.001" Pilot Hole Diameter:1/4, If using a pilot this is the shank diameter of the pilot you should choose Minimum Cut Diameter: .281" Because there is a pilot hole the tool will not cut below this diameter. Set screw to hold a pilot or drill bit in place (if you are using a pilot or drill bit)
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